diff --git a/backend/open_webui/config.py b/backend/open_webui/config.py
index c7c78b8e6..7ad10ccdc 100644
--- a/backend/open_webui/config.py
+++ b/backend/open_webui/config.py
@@ -1475,12 +1475,14 @@ AUDIO_TTS_SPLIT_ON = PersistentConfig(
 
 AUDIO_TTS_AZURE_SPEECH_REGION = PersistentConfig(
     "AUDIO_TTS_AZURE_SPEECH_REGION",
-    "audio.tts.azure_speech_region",
-    os.getenv("AUDIO_TTS_AZURE_SPEECH_REGION", "uksouth"),
+    "audio.tts.azure.speech_region",
+    os.getenv("AUDIO_TTS_AZURE_SPEECH_REGION", "eastus"),
 )
 
 AUDIO_TTS_AZURE_SPEECH_OUTPUT_FORMAT = PersistentConfig(
     "AUDIO_TTS_AZURE_SPEECH_OUTPUT_FORMAT",
-    "audio.tts.azure_speech_output_format",
-    os.getenv("AUDIO_TTS_AZURE_SPEECH_OUTPUT_FORMAT", 'audio-24khz-160kbitrate-mono-mp3'),
+    "audio.tts.azure.speech_output_format",
+    os.getenv(
+        "AUDIO_TTS_AZURE_SPEECH_OUTPUT_FORMAT", "audio-24khz-160kbitrate-mono-mp3"
+    ),
 )